आत्मा जेयः सदा राज्ञा ततो जेयाश्च शत्रवः ।
अजितात्मा नरपतिर्विजयेत कथं रिपून् ॥
- महाभारत, शान्ति
aatma jeyaH sadA rAjnA tato jeyashcha shatravaH ।
ajitAtmA narapatiH vijayeta katham ripUn ॥
- mahAbhArata, shAnti
One must defeat himself (senses) first. Then he can think about defeating his enemies. If one can not defeat his own senses how can he defeat external enemies?
- Mahabharata, Shanti